Last updated: August 23, 2025
In December in San Juan Atitan, Guatemala, the average temperature sits at a mild 13°C (55°F), with temperatures ranging from a chilly 2°C (36°F) to a warm 23°C (74°F). Expect about 29 mm (1.1 in) of precipitation over approximately 8 days, and enjoy an average humidity level of 76%.
In December in San Juan Atitan, the average temperature is 13°C (55°F), with maximums capable of reaching 23°C (74°F) and minimums dropping as low as 2°C (36°F). This comfortable range makes it an ideal time for travelers to explore the area and enjoy outdoor activities.
In San Juan Atitan in December, the precipitation amount is 29 mm (1.1 in) over the course of 8 days.
In San Juan Atitan in December humidity is 76%. With an average temperature of 13°C (55°F), this humidity feels like a damp, heavy blanket enveloping you, making it feel cooler than it actually is, which can be quite refreshing for short excursions but may also lead to discomfort during prolonged outdoor activities.
In San Juan Atitan in December, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in San Juan Atitan.
UV Risk Categories
Weather in San Juan Atitan varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in San Juan Atitan, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 12°C (55°F) | 33 mm (1.3 inches) | 76% | extreme |
| February Weather | 13°C (56°F) | 24 mm (0.9 inches) | 68% | extreme |
| March Weather | 14°C (58°F) | 25 mm (1.0 inches) | 59% | extreme |
| April Weather | 15°C (60°F) | 108 mm (4.3 inches) | 57% | extreme |
| May Weather | 16°C (60°F) | 274 mm (10.8 inches) | 65% | extreme |
| June Weather | 15°C (60°F) | 322 mm (12.7 inches) | 66% | extreme |
| July Weather | 15°C (59°F) | 136 mm (5.4 inches) | 75% | extreme |
| August Weather | 15°C (59°F) | 215 mm (8.4 inches) | 82% | extreme |
| September Weather | 15°C (59°F) | 239 mm (9.4 inches) | 82% | extreme |
| October Weather | 15°C (59°F) | 239 mm (9.4 inches) | 83% | extreme |
| November Weather | 14°C (57°F) | 99 mm (3.9 inches) | 80% | extreme |
| December Weather | 13°C (55°F) | 29 mm (1.1 inches) | 76% | very high |